Autumn weather

Calculations are based on the last 8 years of historical weather data.

Temperatures

Maximum Temperatures

Period	Calgary	Ottawa	Winnipeg	Hamilton
Sep 1	73.6°F	73.2°F	74.5°F	75.7°F
Sep 8	66.9°F	69.8°F	72.7°F	72.0°F
Sep 15	61.3°F	71.6°F	69.6°F	73.6°F
Sep 22	61.3°F	66.9°F	64.8°F	69.1°F
Oct 1	56.1°F	62.8°F	59.0°F	66.2°F
Oct 8	51.6°F	59.0°F	52.9°F	62.2°F
Oct 15	53.8°F	54.9°F	52.2°F	57.7°F
Oct 22	43.9°F	52.2°F	43.5°F	55.2°F
Nov 1	36.7°F	49.1°F	38.7°F	52.7°F
Nov 8	35.1°F	42.6°F	30.0°F	46.0°F
Nov 15	35.1°F	36.5°F	29.1°F	42.8°F
Nov 22	32.0°F	36.1°F	28.0°F	41.9°F
Average	50.6°F	59.6°F	56.2°F	51.3°F

Minimum Temperatures

Period	Calgary	Ottawa	Winnipeg	Hamilton
Sep 1	50.0°F	54.9°F	54.1°F	61.0°F
Sep 8	46.8°F	52.7°F	53.1°F	58.3°F
Sep 15	42.1°F	53.6°F	53.1°F	59.4°F
Sep 22	42.1°F	51.3°F	48.4°F	56.7°F
Oct 1	36.3°F	47.1°F	44.1°F	52.9°F
Oct 8	33.4°F	44.8°F	39.7°F	50.4°F
Oct 15	34.3°F	41.0°F	36.1°F	44.8°F
Oct 22	26.1°F	39.6°F	31.5°F	44.4°F
Nov 1	21.4°F	35.8°F	26.4°F	41.4°F
Nov 8	18.7°F	30.2°F	19.4°F	36.0°F
Nov 15	18.9°F	24.4°F	17.8°F	32.9°F
Nov 22	18.7°F	25.9°F	16.3°F	32.7°F
Average	32.4°F	47.6°F	41.8°F	36.7°F

Maximum/minimum temperature averages are computed by averaging the max/min temperature of each day for a given period.

Conditions

Sunny Weather

Period	Calgary	Ottawa	Winnipeg	Hamilton
Sep 1	9.8 hours/day	6.5 hours/day	8.5 hours/day	7.5 hours/day
Sep 8	5.8 hours/day	6.5 hours/day	7.5 hours/day	5.7 hours/day
Sep 15	5.6 hours/day	7.3 hours/day	4.8 hours/day	7.4 hours/day
Sep 22	6.1 hours/day	4.9 hours/day	4.9 hours/day	5.7 hours/day
Oct 1	7.3 hours/day	4.4 hours/day	4.2 hours/day	4.1 hours/day
Oct 8	4.9 hours/day	3.4 hours/day	3.3 hours/day	3.6 hours/day
Oct 15	5.5 hours/day	2.3 hours/day	5.4 hours/day	3.9 hours/day
Oct 22	4.7 hours/day	2.9 hours/day	3.0 hours/day	3.1 hours/day
Nov 1	3.4 hours/day	2.5 hours/day	2.3 hours/day	2.9 hours/day
Nov 8	3.6 hours/day	3.1 hours/day	1.3 hours/day	4.1 hours/day
Nov 15	4.8 hours/day	1.8 hours/day	1.9 hours/day	1.2 hours/day
Nov 22	3.3 hours/day	1.6 hours/day	2.0 hours/day	2.6 hours/day
Average	5.4 hours/day	4.3 hours/day	3.9 hours/day	4.1 hours/day

Sun hours are computed from the number of hours of direct sunlight. The length of the day can affect these measurements; for example, northern cities have longer days in summer.

Precipitation Levels

Period	Calgary	Ottawa	Winnipeg	Hamilton
Sep 1	0.0in	0.1in	0.1in	0.1in
Sep 8	0.1in	0.1in	0.1in	0.1in
Sep 15	0.0in	0.1in	0.3in	0.0in
Sep 22	0.1in	0.2in	0.1in	0.1in
Oct 1	0.0in	0.2in	0.1in	0.2in
Oct 8	0.0in	0.1in	0.2in	0.1in
Oct 15	0.0in	0.1in	0.0in	0.1in
Oct 22	0.1in	0.2in	0.1in	0.1in
Nov 1	0.1in	0.1in	0.1in	0.1in
Nov 8	0.0in	0.1in	0.1in	0.1in
Nov 15	0.1in	0.1in	0.1in	0.1in
Nov 22	0.1in	0.2in	0.0in	0.1in
Average	0.0in	0.1in	0.1in	0.1in

Average amount of precipitation that falls in a form of a rain, snow, sleet or hail.

Wind Speed

Period	Calgary	Ottawa	Winnipeg	Hamilton
Sep 1	11.3mph	10.1mph	14.8mph	12.4mph
Sep 8	10.5mph	8.6mph	13.9mph	11.1mph
Sep 15	10.7mph	7.9mph	15.0mph	9.4mph
Sep 22	10.9mph	9.7mph	14.2mph	13.2mph
Oct 1	10.4mph	9.5mph	14.0mph	12.2mph
Oct 8	11.7mph	11.0mph	14.8mph	14.0mph
Oct 15	11.8mph	11.8mph	14.0mph	14.9mph
Oct 22	11.4mph	10.8mph	14.0mph	14.1mph
Nov 1	11.0mph	12.6mph	12.1mph	15.5mph
Nov 8	11.2mph	11.7mph	13.6mph	13.4mph
Nov 15	10.9mph	11.5mph	14.0mph	16.2mph
Nov 22	11.5mph	11.6mph	12.8mph	14.7mph
Average	11.1mph	13.4mph	10.6mph	13.9mph

Humidity

Period	Calgary	Ottawa	Winnipeg	Hamilton
Sep 1	54.9%	75.8%	53.5%	68.5%
Sep 8	60.6%	74.9%	53.9%	72.2%
Sep 15	62.6%	74.7%	63.3%	71.8%
Sep 22	58.3%	75.9%	62.9%	72.7%
Oct 1	63.1%	76.8%	63.9%	73.1%
Oct 8	63.0%	77.2%	65.4%	71.5%
Oct 15	60.2%	77.4%	62.8%	71.2%
Oct 22	65.4%	78.0%	72.0%	73.2%
Nov 1	75.5%	78.1%	77.1%	71.6%
Nov 8	74.3%	73.7%	82.7%	70.9%
Nov 15	73.9%	80.4%	85.5%	76.4%
Nov 22	74.8%	84.2%	84.1%	75.7%
Average	65.6%	72.4%	77.3%	68.9%

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Astronomy

Sunrise Time

Period	Calgary	Ottawa	Winnipeg	Hamilton
Sep 1	6:55	6:28	6:49	6:47
Sep 8	7:06	6:37	6:59	6:55
Sep 15	7:17	6:45	7:10	7:02
Sep 22	7:29	6:55	7:22	7:11
Oct 1	7:43	7:05	7:34	7:20
Oct 8	7:54	7:14	7:45	7:29
Oct 15	8:05	7:23	7:56	7:37
Oct 22	8:20	7:35	8:09	7:48
Nov 1	8:11	7:23	8:00	7:35
Nov 8	7:47	6:56	7:35	7:08
Nov 15	7:58	7:06	7:47	7:17
Nov 22	8:11	7:17	7:58	7:26
Average	7:42	7:18	7:06	7:36

Sunrise times are output in the local timezone of each place.

Sunset Time

Period	Calgary	Ottawa	Winnipeg	Hamilton
Sep 1	20:14	19:35	20:05	19:49
Sep 8	19:59	19:22	19:50	19:37
Sep 15	19:43	19:08	19:35	19:24
Sep 22	19:25	18:52	19:17	19:09
Oct 1	19:07	18:37	19:00	18:55
Oct 8	18:52	18:24	18:45	18:43
Oct 15	18:37	18:12	18:31	18:31
Oct 22	18:20	17:58	18:15	18:18
Nov 1	17:41	17:22	17:37	17:43
Nov 8	16:53	16:37	16:50	16:59
Nov 15	16:44	16:29	16:41	16:52
Nov 22	16:36	16:23	16:33	16:47
Average	18:30	18:24	18:06	18:24

Sunset times are output in the local timezone of each place.

Useful Day Length

Period	Calgary	Ottawa	Winnipeg	Hamilton
Sep 1	13:14 hours	12:35 hours	13:05 hours	12:49 hours
Sep 8	12:53 hours	12:22 hours	12:50 hours	12:37 hours
Sep 15	12:26 hours	12:08 hours	12:26 hours	12:22 hours
Sep 22	11:56 hours	11:52 hours	11:56 hours	11:58 hours
Oct 1	11:24 hours	11:32 hours	11:26 hours	11:34 hours
Oct 8	10:58 hours	11:10 hours	11:00 hours	11:14 hours
Oct 15	10:31 hours	10:49 hours	10:35 hours	10:54 hours
Oct 22	9:60 hours	10:23 hours	10:06 hours	10:30 hours
Nov 1	9:30 hours	9:59 hours	9:37 hours	10:08 hours
Nov 8	9:07 hours	9:37 hours	9:14 hours	9:51 hours
Nov 15	8:46 hours	9:23 hours	8:54 hours	9:35 hours
Nov 22	8:25 hours	9:07 hours	8:35 hours	9:20 hours
Average	10:48 hours	11:06 hours	10:54 hours	10:48 hours

Discards daylight hours before 7 AM. In places that are located to the west of the timezone, the sun rises and sets later compared to the cities that are located to the east. This means that the useful day length is longer in the cities located to the west of the time zone.

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